chore: Enable/disable Docker testing with a flag.

.eslintrc.js

@@ -40,6 +40,8 @@ module.exports = {
     'dot-location': ['error', 'property'],
     'lines-between-class-members': ['error', 'always', { exceptAfterSingleLine: true }],
     'max-len': ['error', { code: 120, ignoreUrls: true }],
+    'mocha/no-exports': 'off', // we are not using Mocha
+    'mocha/no-skipped-tests': 'off', // we are not using Mocha
     'new-cap': 'off', // used for RDF constants
     'no-param-reassign': 'off', // necessary in constructor overloading
     'no-underscore-dangle': 'off', // conflicts with external libraries

.travis.yml

@@ -11,6 +11,7 @@ services:
 
 before_install:
   - npm run docker
+  - export TEST_DOCKER=1
 
 script:
   - npm run lint

test/.eslintrc.js

@@ -9,6 +9,7 @@ module.exports = {
   rules: {
     '@typescript-eslint/no-unsafe-assignment': 'off',
     'unicorn/no-useless-undefined': 'off',
+    'no-process-env': 'off',
 
     // Need these 2 to run tests for throwing non-Error objects
     '@typescript-eslint/no-throw-literal': 'off',

test/integration/SparqlStorage.test.ts

@@ -4,9 +4,9 @@ import { INTERNAL_QUADS } from '../../src/util/ContentTypes';
 import { MetadataController } from '../../src/util/MetadataController';
 import { DataAccessorBasedConfig } from '../configs/DataAccessorBasedConfig';
 import { BASE } from '../configs/Util';
-import { FileTestHelper } from '../util/TestHelpers';
+import { describeIf, FileTestHelper } from '../util/TestHelpers';
 
-describe('A server with a SPARQL endpoint as storage', (): void => {
+describeIf('docker', 'a server with a SPARQL endpoint as storage', (): void => {
   describe('without acl', (): void => {
     const config = new DataAccessorBasedConfig(BASE,
       new SparqlDataAccessor('http://localhost:4000/sparql',

test/util/TestHelpers.ts

@@ -214,3 +214,10 @@ export class FileTestHelper {
     return response;
   }
 }
+
+export const describeIf = (envFlag: string, name: string, fn: () => void): void => {
+  const flag = `TEST_${envFlag.toUpperCase()}`;
+  const enabled = !/^(|0|false)$/iu.test(process.env[flag] ?? '');
+  // eslint-disable-next-line jest/valid-describe, jest/valid-title, jest/no-disabled-tests
+  return enabled ? describe(name, fn) : describe.skip(name, fn);
+};